问题
单项选择题
The deck control valve to be（）after being repaired.
A.moved and fitted again
B.removed and refitted
C.reproduced and put on again
D.returned and attached again
答案
参考答案：B
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The deck control valve to be（）after being repaired.
A.moved and fitted again
B.removed and refitted
C.reproduced and put on again
D.returned and attached again
参考答案：B
